I believe that it is a metaphor because metaphors compare things without using the words like or as.
Explanation:
<em><u>they</u></em><em><u> </u></em><em><u>were</u></em><em><u> </u></em><em><u>captivated</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>inspired</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>homers</u></em><em><u> </u></em><em><u>characters</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>exploits</u></em>
The answer for this question is the bright future
“ teens need adequate sleep and REM sleep to rebuild long term memory for learning and , focus attention for driving and maintaining health and fighting obesity.”